CA281631A - Orifice etroite d'eclairage - Google Patents

Orifice etroite d'eclairage

Info

Publication number
CA281631A
CA281631A CA281631A CA281631DA CA281631A CA 281631 A CA281631 A CA 281631A CA 281631 A CA281631 A CA 281631A CA 281631D A CA281631D A CA 281631DA CA 281631 A CA281631 A CA 281631A
Authority
CA
Canada
Prior art keywords
narrow light
light aperture
aperture
narrow
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA281631A
Other languages
English (en)
Inventor
A. Hoxie Charles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA281631A publication Critical patent/CA281631A/fr
Expired legal-status Critical Current

Links

CA281631A Orifice etroite d'eclairage Expired CA281631A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA281631T

Publications (1)

Publication Number Publication Date
CA281631A true CA281631A (fr) 1928-07-10

Family

ID=35214723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA281631A Expired CA281631A (fr) Orifice etroite d'eclairage

Country Status (1)

Country Link
CA (1) CA281631A (fr)

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